Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7237666 | Multi-position stop mechanism A multi-stop mechanism for providing multiple stop positions between first and second objects that are movable into and out of contact with one another. The multi-stop mechanism of the present invention includes a housing which secures the multi stop mechanism to th... | 07/03/2007 |
| 7201243 | Storage carts Storage carts for the storage of pallets and other loads that may be moved between an open position into an aisle for access to the load and a closed position out of the aisle when desired. ... | 04/10/2007 |
| 7168514 | Materials handling device and system A materials handling device includes a chassis, handle shaft pivotally mounted to the chassis for maneuvering the device, two rollers rotationally mounted to the chassis, battery pack supported on the handle shaft, electric motor and gearbox fitted in one roller in-... | 01/30/2007 |
| 7128175 | Multi-terrain amphibious vehicle A multi-terrain amphibious vehicle for travel across various types of surfaces and upon various bodies of water. The vehicle has an elongated longitudinally extending chassis having a bottom surface having a centerline. A plurality of left side propulsion units and ... | 10/31/2006 |
| 7100703 | Golf green roller apparatus A golf green roller apparatus that can be hitched to a golf cart or any vehicle utilizing a clevis pin-type coupler. The roller is mounted on an articulated frame. A pair of wheels having tires thereon is also mounted on the frame. An easy-to-operate electric actuat... | 09/05/2006 |
| 7090601 | Tractor hitch transmission The invention involves an agricultural machine with a drive train to be coupled onto the power take-off shaft of a tractor, with a transmission integrated into the drive train. In these types of agricultural machines it is frequently necessary, after starting at a h... | 08/15/2006 |
| 7021720 | Till track vehicle A vehicle that uses a steel lug wheel assembly while in the field and has retractable rubber tires for transport on paved roads. The vehicle is capable of simultaneously performing multiple farm operations in a field. The multiple farm operations include shredding, ... | 04/04/2006 |
| 7017686 | Hybrid human/electric powered vehicle A personal transporter that provides both for propulsion by a user, and, at the same time, for dynamic stabilization by means of a powered actuator. A pitch variable such as pitch or time rate of change of pitch is sensed and used to determine the torque provided to... | 03/28/2006 |
| 6964312 | Surface traversing apparatus and method The invention concerns a surface traversing apparatus that includes a frame, a seal having a seal perimeter that is mounted to the frame, and a drive configured to move the apparatus relative to the surface. The seal perimeter is adapted substantially for rolling co... | 11/15/2005 |
| 6820881 | Skateboard brake A brake assembly affixed to a skateboard. A brake drum is held to an inner surface of one of the wheels of the skateboard and has an outwardly facing braking surface. A brake pad is held between the underside of the board and the outwardly facing braking surface. A ... | 11/23/2004 |
| 6764860 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached thereto an... | 07/20/2004 |
| 6668950 | Omni-directional munitions handling vehicle A munitions handling vehicle is adapted for loading and unloading weapons in military aircraft. The munitions handling vehicle includes a vehicle chassis and a plurality of wheel axles attached to the chassis. A plurality of omni wheels are mounted on res... | 12/30/2003 |
| 6547340 | Low vibration omni-directional wheel An omni-directional wheel for an omni-directional vehicle that exhibits constant ride height, low vibration, and reduced maximum ground contact pressure is disclosed. The invention consists of a wheel assembly rotatably connected to the omni-directional v... | 04/15/2003 |
| 6477730 | Aircraft maintenance apparatus and method of maintaining aircraft An apparatus and methods are provided for performing maintenance procedures such as washing, cleaning, deicing, and painting to an aircraft. The apparatus according to an embodiment of the present invention preferably has a mobile base having a plurality ... | 11/12/2002 |
| 6394203 | Method for designing low-vibration omni-directional wheels An omni-directional wheel for an omni-directional vehicle that exhibits constant ride height, low vibration, and reduced maximum ground contact pressure is disclosed. The invention consists of a wheel assembly rotatably connected to the omni-directional v... | 05/28/2002 |
| 6382334 | Power drive unit for a golf trolley A power drive unit (1) for attachment to a golf trolley comprises a drum (2) rotatable about a generally horizontal axis (3) with the external periphery (4) of the drum (2) adapted to seat on the ground and to make frictional contact with the ground for d... | 05/07/2002 |
| 6368553 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached... | 04/09/2002 |
| 6340065 | Low vibration omni-directional wheel An omni-directional wheel for an omni-directional vehicle that exhibits constant ride height, low vibration, and reduced maximum ground contact pressure is disclosed. The invention consists of a wheel assembly rotatably connected to the omni-directional v... | 01/22/2002 |
| 6206611 | Device for cleaning the tire of a roller A device for removing dirt adhering to the tire (2) of a roller used for compacting soil and for spraying the tire (2) with water. The scraping unit (5, 6) and a nozzle system (10, 11, 12) are joined into one modular component and the scraper (6) forms a ... | 03/27/2001 |
| 6113309 | Uniform compaction of asphalt concrete Methods are disclosed for controlling the steering of a carrier vehicle having a horizontal compacting roller and a side edge confinement roller or shoe for compacting an asphalt concrete lane. In one embodiment, a sensor is on the carrier vehicle for sen... | 09/05/2000 |
| 5924509 | Traction control apparatus and method for a hydrostatically driven work machine A traction control apparatus for a work machine having an engine and a hydrostatic drive system that powers a first and second set of ground engaging traction devices is disclosed. The hydrostatic drive system includes a variable displacement pump being r... | 07/20/1999 |
| 5915492 | Soil compactor and traction control system thereon An earth compactor is propelled by a hydraulic circuit that includes a first hydraulic motor to drive a drum member and a second hydraulic motor to drive a tractor member mounted on tires, with a traction control system that includes a motor speed sensing... | 06/29/1999 |
| 5906247 | Ball transfer mechanism having a braking mechanism and a vehicle employing the ball transfer mechanism A ball-transfer mechanism 1 is movable along the surface of floor 9, having a main body 2, a large ball 5, a plurality of small balls 6 and a restriction member 20. The large ball 5 is spherical and contacts the floor 9. A plurality of small balls 6 are d... | 05/25/1999 |
| 5562175 | Steering system for a surface compacting machine The invention relates to a dual steering system for a tandem-type surface compacting machine equipped with two independent steering modes, for example, a machine equipped with both frame steering (3) and with individual steering (6) of one of the rollers ... | 10/08/1996 |
| 5494375 | Wheel support member for compactor A mobile, ground compacting vehicle includes a front row of compacting wheels and a rear row of compacting wheels. The rear row includes two spaced-apart, driven wheel assemblies, each wheel assembly carrying a pair of rims, with a and tire on each rim. A... | 02/27/1996 |
| 5222828 | Device for cleaning and lubricating the exterior surface of asphalt compacting drums A device for cleaning and lubricating an exterior surface of an asphalt compacting machine includes a support member removably attached to the machine. Positioned on the support member for easy access are a flexible scraper for cleaning the drum and a flu... | 06/29/1993 |
| 5154439 | Articulated utility vehicle An articulated utility vehicle having forward and rearward frame portions, each supported by a roller. A pair of fluid-powered rotary actuators are positioned between the front and rear frame portions of the vehicle. One actuator accomplishes side shiftin... | 10/13/1992 |
| 5104257 | Vibration insulation system in compactors The present invention relates to a vibration insulation system for a self-propelled vibrating compactor providing a chassis supporting a roller and a chassis supporting both a cabin and elements for self-propulsion of the compactor. The chassis supporting... | 04/14/1992 |
| 5101910 | Segmented soil aerator attachable to riding mower An aerator device for attachment to the front end of a power riding lawn mower has two features which enable a spiked roller assembly to guide itself smoothly through a desired path and to make turns without excessive digging in of the spikes. The roller ... | 04/07/1992 |
| 5088855 | Vehicle for compacting surfaces A device for compacting surfaces includes a frame and wheels rotatably mounted to the frame. At least one compacting cylinder structure is rotatably mounted to the frame and has an operative position between at least two wheels and the surface to compacte... | 02/18/1992 |
| 4979582 | Self-propelled roller drive unit A self-propelled roller drive unit with enclosed power source, motor(s) and transmission(s) coupled to external reaction load such as golf bag frame, wheelchair, industrial transport, personal transport or other drive unit.... | 12/25/1990 |
| 4793735 | Vibratory roller steering system A vibratory roller having four drums that can be vibrated. The drums are driven individually, and are mounted in pairs in respective supports. One of the supports is attached to a front frame, and the other support is attached to a rear frame. The object ... | 12/27/1988 |
| 4714140 | Multi-axis articulated all terrain vehicle A remote controlled multi-axis all terrain vehicle includes front and rear lugged driving wheels, with front and rear wheels steerable about a vertical axis, and pivotal about a longitudinal axis of the vehicle. The vcehicle is remotely controlled and inc... | 12/22/1987 |
| 4661011 | Asphalt compaction machine A novel asphalt compacting machine of the type having a chassis, a drive roller, e.g. at the rear, and a steerable rolling compaction mechanism, e.g., at the front, is provided herein. The improvement resides in a novel front, preferably steerable, rollin... | 04/28/1987 |
| 4505349 | Steering means for, and in combination with, an articulated _vehicle In the embodiment disclosed, the invention comprises a single, dual-piston cylinder, operable by hydraulic fluid, interpositioned between a pair of pivotably coupled, vehicular units. The cylinder is pivotably secured to pivot coupling elements which join... | 03/19/1985 |
| 4505356 | Operator's seat and controls arrangement for a tandem road roller An ergonomically advantageous operator's seat and controls arrangement for tandem road rollers comprises on the transverse center line of an operator's platform operator's seats arranged side by side and rotatable about vertical axes. A control stick pivo... | 03/19/1985 |
| 4422796 | Hydraulically adjustable pavement roller A small roller attached to a conventional power-driven paving roller or the like is hydraulically positionable to roll a surface outside of the normal rolling track of the power roller, such as against a building, high curbing, or the like.... | 12/27/1983 |
| 4402377 | Off-road vehicle having wheel slip control An off-the-road vehicle has wheel sets of the same or different forms such as rolls or differentially driven wheels with a hydraulic motor and gear reduction drive for each wheel set. An engine driven variable displacement fluid pump is fed by return line... | 09/06/1983 |
| 4379652 | Closed one-piece roller frame for vibrator rollers A vibrator roller frame for supporting a vibrator roller on a horizontal axis of rotation and for transferring static and dynamic forces, comprises, a closed annular one-piece frame member, preferably made of cast steel, having side, end and corner parts,... | 04/12/1983 |
| 4340320 | Drive mechanism A drive mechanism (10) has a frame (16), a driven member (14) and a first element (20) rotatable relative to the frame (18). A driving element (24) is mounted on and rotatable with the first element (20). Apparatus (34), such as a hydraulic motor (40) and... | 07/20/1982 |
